package com.dao;

import org.apache.ibatis.annotations.Mapper;
import org.springframework.stereotype.Component;
import org.springframework.stereotype.Service;

import java.util.List;
import java.util.Map;

@Service
public class Dao {
    public String printDao() {
        System.out.println("=============== dao =================");
        return "我是 dao";
    }
}
